Chinese researchers have borrowed the way bats use high frequency sound waves to detect a range of human activity which may help with less intrusive monitoring. Photo: Guo Xinhua

Chinese scientists apply bat powers to privacy problem

  • Acoustic device uses high-frequency sound waves to detect variations in activity
  • Researchers predict it will be useful in care homes, hospitals and public toilets
Topic |   China science

TOP PICKS

Chinese researchers have borrowed the way bats use high frequency sound waves to detect a range of human activity which may help with less intrusive monitoring. Photo: Guo Xinhua
READ FULL ARTICLE